Lanzar Vector Series Class A/B 4 Channel Amplifier, 2000W MAX 2000 Watts MAX 500 x 4 MAX @ 4 Ohms 1000 x 2 Bridged @ 2 Ohms DIM (WXHXL)10.625"e; x 1.625"e; x 14"e; 2 X 30 AMP MAXI FUSE 2 OHM STABLE CROSSOVER MODE SELECTOR & FREQUENCY CONTROL LOW PASS CROSSOVER 40Hz-250Hz HIGH PASS CROSSOVER 40Hz-250Hz INPUT LEVEL CONTROLS BASS BOOST SELECTOR VARIABLE SUBSONIC FILTER: 10Hz-100Hz, 24dB/OCTAVE THERMAL/OVERLOAD/SHORT CIRCUIT PROTECTION SOFT TURN ON/OFF MOSFET POWER SUPPLY POWER AND PROTECTION LED INDICATORS LOW LEVEL RCA INPUTS LINE LEVEL RCA OUTPUT FREQUENCY RESPONSE: 15Hz-30KHz SIGNAL TO NOISE RATIO: >95dB